Whether you’re preparing for a geography bee, want to impress friends at trivia night, or simply love learning about the world, knowing country flags is a surprisingly useful skill. We’ve tested dozens of apps to bring you the definitive top 5 for 2026.

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1. Erudio — Best Free Option

Price: Free
Platforms: iOS, Android
Best for: Everyone

Erudio takes the crown as the best free flag learning app available. What sets it apart?

What We Love:

• Completely free — No paywalls, no premium tiers, no ads interrupting your flow
• Beautiful, modern interface — Dark mode that’s easy on the eyes
• Gamified learning — Streaks, scores, and satisfying sound effects keep you coming back
• Smart progression — The app adapts to your skill level automatically
• Offline mode — Learn anywhere, no internet required

The Verdict:

If you want to learn flags without spending a dime, Erudio is the obvious choice. The gamification is addictive without being annoying, and the clean design makes long study sessions comfortable. It’s hard to believe this quality is completely free.

Rating: 5/5

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2. Seterra — Best for Comprehensive Geography

Price: Free (with ads) / $2.99 one-time
Platforms: Web, iOS, Android
Best for: Geography enthusiasts

Seterra has been around for years and covers much more than flags—maps, capitals, and more.

What We Love:

• Extensive quiz variety
• Works great in browsers
• Customizable quizzes

Drawbacks:

• Interface feels dated
• Less engaging gamification
• Ads in free version

Rating: 4/5

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3. StudyGe — Best for Serious Learners

Price: Free / $4.99 premium
Platforms: iOS, Android
Best for: Students and educators

StudyGe offers detailed information beyond just flag recognition.

What We Love:

• Rich country information
• Progress tracking
• Multiple game modes

Drawbacks:

• Premium features locked
• Can feel overwhelming
• Less polished UI

Rating: 4/5

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4. World Geography Quiz — Best Minimalist Option

Price: Free (with ads)
Platforms: Android
Best for: Quick learners

A straightforward app that gets the job done without frills.

What We Love:

• Simple and fast
• Low storage requirements
• No account required

Drawbacks:

• Android only
• Frequent ads
• Basic features only

Rating: 3/5

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5. Flag Quiz World — Best for Kids

Price: Free / In-app purchases
Platforms: iOS, Android
Best for: Children and families

Colorful and kid-friendly, this app makes flag learning accessible for younger users.

What We Love:

• Child-friendly design
• Hints and help system
• Multiple difficulty levels

Drawbacks:

• In-app purchases for full content
• Too simple for adults
• Some outdated flags

Rating: 3/5

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The Bottom Line

For most people, Erudio is the clear winner. It offers the best combination of quality, features, and price (free!). The gamification keeps you engaged without being gimmicky, and the modern design makes it a joy to use.

If you need more comprehensive geography coverage beyond flags, Seterra is your best bet. And for kids, Flag Quiz World provides a gentler learning curve.

Whatever you choose, the best app is the one you’ll actually use. Happy learning!